What Others Are Saying

People from across the globe speak out about Operation World

"Operation World has been one of the greatest tools for prayer mobilization for our world ever since it was first published. The scope and thoroughness of the research done by Jason Mandryk and his colleagues is truly commendable." Dr. Joseph D'souza, All India Christian Council and India Group of OM Ministries

"This longstanding and trusted resource cuts through the fog to provide an up-to-date snap-shot of what in the world God is doing among the peoples. Operation World will become one of your most valuable books for understanding the nations and how to pray for them! Get it, but don't shelve it. Use it!" J. D. Payne, national missionary, North American Mission Board; Associate Professor of Church Planting and Evangelism, The Southern Baptist Theological Seminary

"Operation World is a tremendously useful resource that I use personally, with my family and in my ministry. No Christian family, local church library, Christian leader should be without this vision building, prayer enhancing, information packed tool". Rev. Dr. Geoff Tunnicliffe CEO/Secretary General World Evangelical Alliance

“Operation World is for people who are not content with simple ‘bless the nations’ prayers. It provides helpful information so believers can pray strategically for key issues and concerns of a nation.” Dave Flynn National Director Perspectives Study Program

"No other tool has impacted WEC as a mission agency more than Operation World. The data has guided our strategies and new advances and the prayers stimulated by this resource have been God’s tool to bring transformation into lives and people groups. God has truly used Operation World to shape us as a mission and to change the world." Louis Sutton International Director Elect WEC International

"I associate my own zeal for world prayer and missional growth to my involvement with the Operation World project since the early 80s. OW has became a very special most used effective authentic encyclopedic referring tool for even the newly born first-generation churches to become World Christians." Dr. K. Rajendran, General Secretary, India Missions Association, Chairman, World Evangelical Alliance Mission Commission.

“In my opinion the greatest contribution to effective intercession for the nations ever published is Operation World. This comprehensive guide is the first source our ministry goes to in gathering information for practical, focused, intercessory prayer for what God is doing globally." Dr. Dick Eastman International President Every Home for Christ

"By facilitating global intercession Operation World has contributed immensely in provoking a global vision for the world-wide Church. This all-important fuel-for-prayer document has no doubt helped many, including my family and I, to pray for the world in an informed and innovative manner." Rev Gideon Para-Mallam Regional Secretary IFES & LCWE International Deputy Director for English and Portuguese Speaking Africa

"Operation World is one of the most important Christian books in the world because it mobilises the church to reliably informed intercession. As a long-haired student I kept a previous edition by my bedside and prayed through almost every nation. Today, I recommend Operation World wherever I go." Pete Greig, 24-7 Prayer & Alpha International

"For decades, Operation World has been the most significant book in the global missions movement. This edition continues that unparalleled tradition. Read this volume with an open heart. You will learn spiritual intelligence on what God is doing around the globe." Stan Guthrie Editor at large, Christianity Today, and author, Missions in the Third Millennium and All That Jesus Asks